Passenger service unit



FIG. 1 is a bottom left perspective view of a passenger service unit showing our new design,

FIG. 2 is an enlarged perspective view of the encircled portion “2” in FIG. 1,

FIG. 3 is a bottom right perspective view thereof,

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a right side perspective view thereof.

The structure depicted by broken lines in the drawings has been shown for the purpose of illustrating environment that forms no part of the claimed design.

The dot-dashed lines encircling the FIG. 2 view represent a boundary that forms no part of the claimed design. 

CLAIM The ornamental design for “passenger service unit,” as shown and described. 